KalshiOtherActive
Who will be the Lightweight Title Holder on Dec 31, 2026?
84¢−525
Odds history
No odds history archived for this market yet — the archive accrues continuously.
How this market settles
- Pays Yes when
- If Justin Gaethje is the UFC Lightweight Title Holder on Dec 31, 2026 at 12:00 PM ET, then the market resolves to Yes.
- When
- Closes 2026-12-31.
Read the full rules Kalshi publishes
If Justin Gaethje is the UFC Lightweight Title Holder on Dec 31, 2026 at 12:00 PM ET, then the market resolves to Yes.
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What this bet really costs you
On $100 at 84¢ you pay $1.12 in fees on Kalshi
0.94¢ per contract · 119 contracts
On $100 at 84¢ you pay $0.96 in fees on Polymarket US
0.81¢ per contract · 119 contracts
Exchange-side taker fees per each venue's published formula (rate × contracts × price × (1 − price)); contracts = stake ÷ price, rounded down to whole contracts. Fees peak at 50¢ and shrink toward the extremes. Most quoted cross-venue “arbs” are negative-EV after these fees; the taker-fee breakeven on a Kalshi/Polymarket pair is roughly 3.5–4¢.
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